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Selenium 200 mcg

product on market Softgel Capsule Sundown Naturals Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Selenium is an essential trace mineral that supports thyroid function and antioxidant defenses. There is strong evidence for its role in protecting cells from oxidative stress. This specific formulation provides a standard dose for maintaining systemic selenium levels.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Selenium 200 mcg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Softgel(s)
Serving Size
Mineral
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

200 mcg (286% DV)
3.6× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)

Other Ingredients

Soybean Oil Gelatin Glycerin yellow Beeswax Soy Lecithin Caramel color Titanium Dioxide color
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS: FOR ADULTS, TAKE ONE (1) SOFTGEL DAILY, PREFERABLY WITH A MEAL. As a reminder, discuss the supplements and medications you take with your health care providers.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

WARNING: Not intended for use by pregnant or nursing women.

Avoid this product if you are allergic to yeast.

Discontinue use and consult your doctor if any adverse reactions occur.

If you are taking any medications, consult your doctor before use.

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

Formulation Notes

No Artificial Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Gluten, No Wheat, No Fish.

Sodium Free.

Additional Information

STORE IN A DRY PLACE AND AVOID EXCESSIVE HEAT.

ABSORBABLE HIGH SELENIUM YEAST

Clinically Studied Dosage

PLEASE RECYCLE

Prod. No. 15931 04E B15930 EAZ

Promotes Prostate and Immune System Health*

Smart Facts Selenium is a powerful antioxidant that helps to fight cell-damaging free radicals in the body.* Selenium also supports a healthy immune system and prostate.* Sundown Naturals’ Selenium is supplied in the clinically studied dosage of 200 mcg per day.

GUARANTEED QUALITY LABORATORY TESTED

Metadata

Product Details

UPC / SKU0 30768 15931 3
DSLD Entry Date2012-01-25
Product TypeMineral
FormSoftgel Capsule
BrandSundown Naturals
DSLD ID4862
Data Updated2026-04-11
Research

Research Evidence

273
Research Sources
55
Avg Quality
131
Meta Analysis
61
Systematic Review
55
Rct
19
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Other
1
Observational
1
Openfda Safety
A Selenium for preventing cancer
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Selenium supplementation for the primary prevention of cardiovascular disease
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Selenium supplementation for critically ill adults
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin E and the risk of prostate cancer: the Selenium and Vitamin E Cancer Prevention Trial (SELECT)
Rct JAMA 2011 PubMed DOI
B Selenium and prostate cancer: systematic review and meta-analysis
Meta Analysis The American journal of clinical nutrition 2012 PubMed DOI
B Selenium supplementation for Hashimoto's thyroiditis
Systematic Review The Cochrane database of systematic reviews 2013 PubMed DOI
B Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
B Selenium, antioxidants, cardiovascular disease, and all-cause mortality: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis The American journal of clinical nutrition 2020 PubMed DOI
B The effect of selenium supplementation on coronary heart disease: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) 2017 PubMed DOI
B Meta-analysis of selenium effects on the meat quality of broilers
Meta Analysis Poultry science 2024 PubMed DOI
View all evidence for Selenium →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.